avoid redundant type check to let C compiler remove dead code
avoid redundant type check to let C compiler remove dead code

hhsprings/cython,encukou/cython,da-woods/cython,marscher/cython,mcanthony/cython,hhsprings/cython,fabianrost84/cython,acrispin/cython,achernet/cython,larsmans/cython,marscher/cython,dahebolangkuan/cython,achernet/cython,slonik-az/cython,achernet/cython,scoder/cython,mcanthony/cython,fabianrost84/cython,achernet/cython,ChristopherHogan/cython,hickford/cython,cython/cython,ABcDexter/cython,acrispin/cython,dahebolangkuan/cython,madjar/cython,mrGeen/cython,andreasvc/cython,dahebolangkuan/cython,mcanthony/cython,fperez/cython,andreasvc/cython,hickford/cython,roxyboy/cython,JelleZijlstra/cython,larsmans/cython,JelleZijlstra/cython,fabianrost84/cython,larsmans/cython,hhsprings/cython,c-blake/cython,madjar/cython,JelleZijlstra/cython,mrGeen/cython,andreasvc/cython,ABcDexter/cython,slonik-az/cython,acrispin/cython,mrGeen/cython,madjar/cython,acrispin/cython,fperez/cython,encukou/cython,fabianrost84/cython,hickford/cython,marscher/cython,da-woods/cython,ChristopherHogan/cython,fperez/cython,encukou/cython,mrGeen/cython,andreasvc/cython,slonik-az/cython,hhsprings/cython,slonik-az/cython,fperez/cython,slonik-az/cython,andreasvc/cython,ABcDexter/cython,achernet/cython,madjar/cython,cython/cython,c-blake/cython,larsmans/cython,roxyboy/cython,scoder/cython,da-woods/cython,dahebolangkuan/cython,da-woods/cython,fperez/cython,marscher/cython,ABcDexter/cython,mrGeen/cython,hhsprings/cython,ABcDexter/cython,JelleZijlstra/cython,encukou/cython,hickford/cython,roxyboy/cython,c-blake/cython,cython/cython,mcanthony/cython,hickford/cython,fabianrost84/cython,dahebolangkuan/cython,roxyboy/cython,JelleZijlstra/cython,c-blake/cython,roxyboy/cython,scoder/cython,marscher/cython,larsmans/cython,madjar/cython,encukou/cython,ChristopherHogan/cython,acrispin/cython,scoder/cython,cython/cython,c-blake/cython,mcanthony/cython